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Category:   Application (Generic)  >   Apache CXF Vendors:   Apache Software Foundation
Apache CXF XML External Entity Processing Flaw in JAX-RS Abdera Parser Lets Remote Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1037544
SecurityTracker URL:  http://securitytracker.com/id/1037544
CVE Reference:   CVE-2016-8739   (Links to External Site)
Date:  Jan 2 2017
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Apache CXF. A remote user can conduct XML external entity attacks to obtain files on the target system.

The JAX-RS implementation uses the Abdera Parser to expand XML entities by default. A remote user can supply specially crafted XML External Entity (XXE) data to the target interface to read files on the target system with the privileges of the target service.

Mikhail Egorov (0ang3el) reported this vulnerability.

Impact:   A remote user can read files on the target system with the privileges of the target service.
Solution:   The vendor has issued a fix (3.0.12, 3.1.9) [in December 2016].

The vendor advisory is available at:

http://cxf.apache.org/security-advisories.data/CVE-2016-8739.txt.asc

Vendor URL:  cxf.apache.org/security-advisories.data/CVE-2016-8739.txt.asc (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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